What is the formula mass for potassium nitrate?
Understand the Problem
The question is asking for the molecular weight of potassium nitrate, which requires adding up the atomic masses of its constituent elements, potassium (K), nitrogen (N), and oxygen (O).
Answer
101.1 amu
The final answer is 101.1 amu
Answer for screen readers
The final answer is 101.1 amu
More Information
The formula mass of a compound is the sum of the atomic masses of all the atoms in its chemical formula. For potassium nitrate (KNO3), this includes one atom of potassium (39.1 amu), one atom of nitrogen (14.01 amu), and three atoms of oxygen (16 amu each).
Tips
Common mistakes include incorrect summation of atomic masses or using wrong atomic masses for the elements.
Sources
- Formula Mass of KNO3 - LibreTexts - chem.libretexts.org
- Calculate the formula mass of Potassium nitrate KNO3 - BYJU'S - byjus.com
- What is the molar mass of KNO3? - Quora - quora.com
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